Eryri (Snowdonia) National Park: house prices and energy ratings
What homes sell for per m², how energy efficient they are, and what extending has added to sale prices, compared with the rest of Wales.
Eryri (Snowdonia) National Park is highlighted on the map. Our planning decision figures cover England only: the Welsh Government publishes planning statistics for Welsh national parks and councils. Compare areas on the map
Property prices and energy performance in Eryri (Snowdonia) National Park
Homes sold July 2023 to June 2026, matched to the floor area and energy rating on their Energy Performance Certificate.
Median price per m²
£2,500
953 sales
25% below England and Wales
Homes sold rated EPC A to C
12.9%
Median energy score 50
36.7 points below England and Wales
Value added by extending, per m²
–
Too few extended houses
Energy upgrade, no extension
+7.0%
Sale-price uplift when the energy score rose 5+ points
1.6 points above England and Wales
The median home sold in Eryri (Snowdonia) National Park was £215,000 for 86 m² of floor space. Price per m² is up 49% since 2015 (£1,684 to £2,508 per m², 2025). Across all 9,491 homes with a certificate, 17.9% are rated A to C on their latest one.
Medians from HM Land Registry sale prices and MHCLG Energy Performance Certificates; groups under 30 sales or 50 extended houses are not shown. These describe past sales across many homes, not a valuation of any one. How these are worked out